function showDiv(val) {
    var arrIDs = val.split(".");
    for (var i in arrIDs) {
        if (document.getElementById("menu_"+arrIDs[i])) {
            if (document.getElementById("menu_"+arrIDs[i]).style.display=='none') {
                document.getElementById("menu_"+arrIDs[i]).style.display='';
                document.getElementById("submenu_"+arrIDs[i]).style.display='';
            } else {
                document.getElementById("menu_"+arrIDs[i]).style.display='none';
                document.getElementById("submenu_"+arrIDs[i]).style.display='none';
            }
        }
    }
}